COSAT is a science and technology high school teaching some of South Africa's poorest kids. Yet it has one of the highest graduation rates of any public high in the country. Its principal, Phadiela Cooper, is one reason why.

Many parts of downtown Cape Town remain racially divided, and some are deserted at night and unsafe. It's part of the legacy of apartheid that hasn't changed. But Nelson Mandela's death has brought new life and integration to the center of the city — at least for now.

When South Africa ended apartheid and held free elections nearly 20 years ago, it needed a song that would heal the rift created by segregation. Its choice, the country's new national anthem, is part-hymn, part-march, and all mashup. Instead of rejecting the past, it embraced both parts of it.

Across Africa, many HIV-positive women would like to have children, but they face a dilemma: How can they become pregnant without putting their partners at risk? Dr. Okeoma Mmeje, an ob-gyn at the University of Michigan, offers an inexpensive solution.

When South Africa ended apartheid and held free elections nearly 20 years ago, it needed a song that would heal the rift created by segregation. Its choice, the country's new national anthem, is part-hymn, part-march, and all mashup. Instead of rejecting the past, it embraced both parts of it.

COSAT is a science and technology high school teaching some of South Africa's poorest kids. Yet it has one of the highest graduation rates of any public high in the country. Its principal, Phadiela Cooper, is one reason why.

In Nairobi, many street kids inhale glue for a cheap high, many of the dealers who sell them the glue are women. They're called Mama Pimas. The World's Anders Kelto met one Mama Pima who explains that she entered this illegal trade.

One of the leading activists from South Africa's anti-apartheid movement has launched a new party. Mamphela Ramphele says her party will challenge the ANC in the 2014 elections. Anchor Katy Clark gets details from The World's Anders Kelto in Cape Town.